Transmission pieces of German energy company E.O.N. are pictured at the "Amrumbank West" wind farm at the so called "HelWin-Cluster", located 35 kilometres (22 miles) north of the German island of Heligoland.

A view shows windmills of several wind farms at the so-called "HelWin-Cluster", located 35 kilometres (22 miles) north of the German island of Heligoland.

A platform and transmission pieces of German energy company E.O.N. are pictured at the "Amrumbank West" wind farm at the so called "HelWin-Cluster", located 35 kilometres (22 miles) north of the German island of Heligoland.

An installation vessel with cranes, used by German energy company E.O.N., is pictured at the "Amrumbank West" wind farm at the so called "HelWin-Cluster", located 35 kilometres (22 miles) north of the German island of Heligoland.